Weiss Asset Management LP's ownership history for MPC

Weiss Asset Management LP currently holds 42.0K shares with a market value of $6.8M. It started holding MPC on 2024-12-31. At its peak, it held 142.7K shares on 2024-12-31. Its highest holding value was $19.9M on 2024-12-31. At its lowest, it held 2.9K shares on 2025-09-30, with a value of $559.7K on 2025-09-30. In the recent 180 days, Weiss Asset Management LP has decreased its shares by 100.7K.